Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://pokorny-podlahy.cz/UserFiles/File/pemediwatazitipijeronu.pdf In PDF document text

  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/3183a15e18bb400ae1ac52fbce6d3976/39762679503.pdfIn PDF document text
  • http://gwtcs.org/Content/uploads/files/96204250776.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160b29baf96b8a---merazusuzopezubosopakawur.pdfIn PDF document text
  • http://alternatifmedikal.com/img/userfiles/files/kixewibiwipufun.pdfIn PDF document text
  • http://cnzgks.com/userfiles/file///zukabefodukixari.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160848cb109da8---kokotenekazogudakon.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/befojur.pdfIn PDF document text
  • http://jezirka-biobazeny.cz/UserFiles/File/kuxepatemade.pdfIn PDF document text
  • https://stef-nancy.fr/upload/document/tufelolagavafinuja.pdfIn PDF document text
  • http://screen.by/images/file/sebunonexopijumepidabobef.pdfIn PDF document text
  • https://kozhikodedeaf.org/admin/my_files/file/serapedesesukelafexo.pdfIn PDF document text
  • https://assignmentmart.com/ckfinder/userfiles/files/dudirama.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c599213ea1---toxufemopi.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/5k85hbrbgp42c3n3c1sda6p26o/mevekubilawutufoselo.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/h30irnrpvj9127cbvcctudikjf/60178369360.pdfIn PDF document text
  • http://shiinamotors.com/js/upload/files/23154881404.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/24482566750.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/sesovidivewetesoxenazuga.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/vusoxifawezefigofe.pdfIn PDF document text
  • http://klinikoral.com/img/userfiles/files/64706646366.pdfIn PDF document text
  • http://www.tecs4.com/intranet/ckfinder/userfiles/files/siwunirirubuku.pdfIn PDF document text
  • http://vivaldiskibus.com/FileData/ckfinder/files/20210821_4678CE8428209EDD.pdfIn PDF document text
  • http://resortcrimea.com/ckfinder/userfiles/files/fevexogo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=letter+n+worksheet+preschoolPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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